T3 IP telephone cabling
18
Interfaces
Network interfaces
8
7
6
5
4
3
2
1
TD+
TD-
RD+
RD-
8-pin Western jack
1: TD+ Transmit Data +
2: TD-
Transmit Data –
3: RD+ Receive Data +
4: NC
5: NC
6: RD-
Receive Data-
7: NC
8: NC
Handset interface
4
3
2
1
SK-
SK+
HK+
HK-
4-pin Western jack
1 – SK-
Speech circuit
2 – HK+
Listening circuit
3 – HK-
Listening circuit
4 – SK+
Speech circuit
Make sure the polarity (+. -) is correct.
Plug-in mains unit interface
40V DC/ma.150 mA
Reference number 4.999.086.800
Supplies the power to the handset and
possibly also one link module
7: GND
8: +40 V
8
7
6
5
4
3
2
1
+40V
GND
8-pin Western jack
Do not insert the Western jack of the plug-
in mains unit into the LAN or PC sockets!
Summary of Contents for T3 Comfort
Page 73: ...Index 73 Your notes ...
